1. National Aeronautics and Space Administration - Noun
2. National Aeronautics and Space Administration - Proper noun
an independent agency of the United States government responsible for aviation and spaceflight
Source: WordNetOn Wednesday, scientists from the National Oceanic and Atmospheric Administration and National Aeronautics and Space Administration released their combined study on 2019 weather trends around the world. Source: Internet
National Aeronautics and Space Administration (NASA) has invited applications from university-level engineering students to participate in developing a method to harvest water on the Moon and Mars. Source: Internet